* stable request: Revert "sit: reload iphdr in ipip6_rcv"
@ 2018-06-26 13:11 Luca Boccassi
2018-07-05 17:04 ` Greg KH
0 siblings, 1 reply; 2+ messages in thread
From: Luca Boccassi @ 2018-06-26 13:11 UTC (permalink / raw)
To: stable; +Cc: davem, yanhaishuang
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Hello,
Please consider backporting to 4.9.y the following commit from DaveM
[CC'ed]:
f4eb17e1efe538d4da7d574bedb00a8dafcc26b7 ("Revert "sit: reload iphdr in ipip6_rcv"")
It cherry-picks cleanly and builds fine.
The original commit was introduced and reverted in v4.12-rc5, but only
the original made its way into the 4.9 stable release (v4.9.94).
It causes a regression: pings to v6 hosts over a SIT tunnel do not work
anymore, and the following error appears in dmesg:
kernel: sit: non-ECT from 0.0.0.0 with TOS=0xd
This was also reported and reverted downstream by Ubuntu:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1772775
Thanks!
--
Kind regards,
Luca Boccassi
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: stable request: Revert "sit: reload iphdr in ipip6_rcv"
2018-06-26 13:11 stable request: Revert "sit: reload iphdr in ipip6_rcv" Luca Boccassi
@ 2018-07-05 17:04 ` Greg KH
0 siblings, 0 replies; 2+ messages in thread
From: Greg KH @ 2018-07-05 17:04 UTC (permalink / raw)
To: Luca Boccassi; +Cc: stable, davem, yanhaishuang
On Tue, Jun 26, 2018 at 02:11:59PM +0100, Luca Boccassi wrote:
> Hello,
>
> Please consider backporting to 4.9.y the following commit from DaveM
> [CC'ed]:
>
> f4eb17e1efe538d4da7d574bedb00a8dafcc26b7 ("Revert "sit: reload iphdr in ipip6_rcv"")
>
> It cherry-picks cleanly and builds fine.
>
> The original commit was introduced and reverted in v4.12-rc5, but only
> the original made its way into the 4.9 stable release (v4.9.94).
>
> It causes a regression: pings to v6 hosts over a SIT tunnel do not work
> anymore, and the following error appears in dmesg:
>
> kernel: sit: non-ECT from 0.0.0.0 with TOS=0xd
>
> This was also reported and reverted downstream by Ubuntu:
>
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1772775
Now applied, thanks.
greg k-h
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2018-06-26 13:11 stable request: Revert "sit: reload iphdr in ipip6_rcv" Luca Boccassi
2018-07-05 17:04 ` Greg KH
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